TPS2490DGS by Texas Instruments(TI) Design and production,in Shenzhen Yirenxin Technology Co., Ltd. Spot sales,And can pass Shenzhen Yirenxin Technology Co., Ltd. Purchasing。TPS2490DGS Price reference $ 3.360000。TPS2490DGS - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information TPS2490DGS Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial